Merge pull request #11 from asobolev/master

Is OK for me
Test: make autogenerated tests work again

ApplictionSpec and IntegrationSpec: not very meaningful
but working test.
Test: make autogenerated tests work again

ApplictionSpec and IntegrationSpec: not very meaningful
but working test.
Test: put all test in package test
AbstractService: add dummy unit test
ConferenceService: first outline of the API
ConferenceService: add dummy unit test
FigureService: first outline of the API
Figure: add parameter uuid to apply() in companion object
FigureService: add dummy unit test
Merge branch 'development'

Conflicts:
	test/IntegrationSpec.scala
Add config for travis-ci
Ci: add correct play version
Ci: add correct play version
Ci: try other versions
Ci: add correct play version
Merge pull request #12 from stoewer/master

Service classes: draft for the API for more service classes
Model: add missing companion objects
Model: make `Model` a class not a trait
Model: improve existing companion objects and factories